15-letter words containing i, s, o, l, n
- indomitableness — Quality of being indomitable.
- indoor baseball — softball played indoors.
- inefficaciously — Without efficacy or effect.
- inertial fusion — a type of nuclear fusion in which the inertia of matter enables it to fuse by impact, as by pulses of laser radiation or high-energy charged particles, rather than by high temperature
- infants' school — kindergarten.
- inhomogeneously — lack of homogeneity.
- inquisitorially — In an inquisitorial manner.
- inspirationally — imparting inspiration.
- instantaneously — occurring, done, or completed in an instant: an instantaneous response.
- institutionally — of, relating to, or established by institution.
- insubordinately — In an insubordinate manner.
- intellectronics — a field of study that seeks to develop electronic devices, as robots, that have humanlike intellect and skills.
- interdivisional — existing or occurring between divisions, esp the divisions of an organization
- interfoliaceous — situated between leaves, especially opposite leaves.
- interior salish — in Canada, a division of the peoples who speak Salish languages
- internalisation — (chiefly, British) alternative spelling of internalization.
- interparoxysmal — occurring in the period or periods between paroxysms.
- interpersonally — of or pertaining to the relations between persons: He has strong interpersonal skills.
- interscholastic — between schools, or representative of different schools, especially secondary schools: interscholastic athletics.
- intervalometers — Plural form of intervalometer.
- intolerableness — The state of being intolerable or insufferable.
- intrazonal soil — a soil that has a well-developed profile determined by relief, parent material, age, etc
- introspectional — Of or relating to introspection.
- introspectively — characterized by introspection, the act or process of looking into oneself.
- inversion layer — a layer of the atmosphere in which there is a temperature inversion, with the layer tending to prevent the air below it from rising, thus trapping any pollutants that are present.
- investigational — Of, or relating to investigating, or to an investigation.
- involuntariness — The state of being involuntary; unwillingness; automatism.
- ionospherically — by the ionosphere
- irish wolfhound — one of an Irish breed of large, tall dogs having a rough, wiry coat ranging in color from white to brindle to black.
- irrationalistic — Of or relating to irrationalism.
- irrationalities — Plural form of irrationality.
- irreligiousness — The state or quality of being irreligious; ungodliness.
- irrevocableness — Quality of being irrevocable.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- islands council — (in Scotland since 1975) any of the three divisions (Orkney, Shetland, and the Western Isles) into which the Scottish islands are divided for purposes of local government
- isolation booth — a soundproof booth located within a television studio, used to prevent the occupant, usually a contestant in a game show, from hearing certain parts of the show.
- isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
- italian spinone — a strongly-built gun dog with a wiry white coat and pendulous ears
- jogger's nipple — painful inflammation of the nipple, caused by friction with a garment when running for long distances
- john lewis list — a list used by clerks in the House of Commons to assess the amount that may reasonably be claimed for various items by Members of Parliament as living expenses
- joint-household — a type of extended family composed of parents, their children, and the children's spouses and offspring in one household.
- jus postliminii — postliminy.
- juxtapositional — an act or instance of placing close together or side by side, especially for comparison or contrast.
- kangaroo island — an island in the Indian Ocean, off South Australia. Area: 4350 sq km (1680 sq miles)
- kinesthesiology — The medical and therapeutic study of the movement of muscles and joints.
- labor relations — worker-employer relationship
- labor-intensive — requiring or using a large supply of labor, relative to capital.
- labyrinthodonts — Plural form of labyrinthodont.
- ladrone islands — a group of 15 small islands in the Pacific, E of the Philippines: divided into Guam, a possession of the U.S., and the North Marianas, formally under U.S. trusteeship. 453 sq. mi. (1127 sq. km).
- lake saint john — a lake in Canada, in S Quebec: drained by the Saguenay River. Area: 971 sq km (375 sq miles)